CN1835636A - Reducing location registration requests for a dual mode mobile terminal - Google Patents

Reducing location registration requests for a dual mode mobile terminal Download PDF

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Publication number
CN1835636A
CN1835636A CNA2006100574533A CN200610057453A CN1835636A CN 1835636 A CN1835636 A CN 1835636A CN A2006100574533 A CNA2006100574533 A CN A2006100574533A CN 200610057453 A CN200610057453 A CN 200610057453A CN 1835636 A CN1835636 A CN 1835636A
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China
Prior art keywords
travelling carriage
control appliance
communications system
radio
radio communications
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Granted
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CNA2006100574533A
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Chinese (zh)
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CN1835636B (en
Inventor
加藤秀则
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NEC Corp
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NEC Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention is to provide the mobile communication system which enables power consumption reduction for the mobile station with dual mode capability by unifying the location registration and paging processing for every mobile communication system. The mobile communication system is so arranged to perform location registration processing and paging processing for the mobile station by only one of radio communication systems. And the mobile station can access to any other radio communication systems.

Description

Mobile communication system, communication control method and travelling carriage
Technical field
The present invention relates to mobile communication system, communication control method and travelling carriage, and relate in particular to and use travelling carriage as dual mode terminal and can in the different radio electrical communication system, realize the improvement of the mobile communication system of dual mode communication.
Background technology
In recent years, be in the mobile communication system of representative with the cell phone system, user's sharp increase owing to its convenience, and also for the communication means that is used for mobile communication system, multiple radio communications system is suggested and is dropped into application in practice.
In these environment, there is the travelling carriage that is called as dual mode terminal, it has the ability that communicates in plurality of communication systems, and the technology of this double mode travelling carriage is disclosed in a lot of Japanese documentations.
Travelling carriage by the dual mode terminal of JP 2004-032337A indication is a kind of like this travelling carriage, it is worked with the radio base station of time division multiplexing (TDMA) system, and during holding state, receive from the locating information of GPS (global positioning system) with based on the locating information search database, if the radio base station that it finds code division multiplexing (CDMA) system is present near the travelling carriage and the wireless radio transmission situation is better than tdma system, travelling carriage then changes to cdma system to be used for communication with radio base station from tdma system.
Travelling carriage by the dual mode terminal of JP 2004-297459A indication is a kind of like this travelling carriage, it switches mobile communication system according to radio environment around the travelling carriage place, and this travelling carriage has following function: when the electric field level of the radio signal that receives from current mobile communication system has dropped to the fixed threshold level, measure the electric field level of the radio signal that receives from other mobile communication system.Utilize this function, the communication system that can carry out smoothly from a mobile communication system to other communication systems is switched.
Travelling carriage by the dual mode terminal of JP 2004-297490 A indication is a kind of like this travelling carriage, it can carry out dual-mode operation at mobile IP with each wireless device in WLAN and the cellular phone network, and carries out data communication in mobile environment.In this technology, managed to identify same travelling carriage by the IP address of each network allocation.Therefore, the IP address in each network is managed in the combination that home agent utilizes mobile station identification and wireless device to identify, and allows travelling carriage communication neatly in heterogeneous networks.
Traditional travelling carriage with double mode ability need be registered its position in a plurality of mobile communication system, because it should carry out the standby operation of wait from the calling of each network, therefore, its is carried out the intermittence from the beep-page message of each network is received, with as standby operation.Therefore, compare with traditional travelling carriage (having the monotype ability), travelling carriage with double mode ability needs bigger power consumption during holding state, thereby the battery that can produce the travelling carriage with double mode ability can not be than traditional this problem of travelling carriage longer duration.
Summary of the invention
The object of the present invention is to provide a kind of mobile communication system, this system can be by unified Location Registration and the paging power consumption of handling the travelling carriage that reduces to have double mode ability at all mobile communication system.
Mobile communication system according to the present invention comprises a plurality of different radio communications system of the service area that is positioned at mobile communication system and the travelling carriage with double mode ability, and this travelling carriage can be communicated by letter with in described a plurality of different radio electrical communication system any one.
And mobile communication system according to the present invention comprises two types control appliance.A kind of is first control appliance, and this equipment is set in one of radio communications system, and special the execution at the Location Registration of travelling carriage and the processing operation of paging processing.Another kind is second control appliance, and this equipment is set in any radio communications system, and carries out some calling process operations.Second control appliance finds and is used to ask the radio communications system handled at the paging of the calling that receives, first control appliance in being set at the radio communications system that has found sends call request message, and the travelling carriage of making response is carried out the radio channel preparation and checking is handled to the paging of first control appliance being handled.
According to the present invention, travelling carriage has following ability: select one of described radio communications system when handling the beep-page message that sends by the paging of first control appliance when travelling carriage has received, and second control appliance in selected radio communications system sends the radio channel connection request, to ask receiving described calling by the connected reference of selected radio communications system.
According to the present invention, because for the travelling carriage that in a plurality of radio communications systems, uses with double mode ability, it is just enough only to utilize processing of one of radio communications system location registration and paging to handle, and therefore can realize the saving of the power of battery in the travelling carriage.
According to the present invention, owing to should handle by ad-hoc radio communication by location registration process and paging processing that each radio circuit is carried out usually, therefore need not the radio circuit that location registration is handled and paging is handled and to utilize simple system to make up, and need not to incorporate into location registration process and paging processing.
Description of drawings
From the detailed description below in conjunction with accompanying drawing, example feature of the present invention and advantage will become obviously, in the accompanying drawings:
Fig. 1 is the figure that illustrates according to the system block diagram example of exemplary embodiment of the present invention;
Fig. 2 is the sequence chart that the operation of the calling that other communication networks 121 from Fig. 1 initiate is shown, and wherein said calling links to each other with travelling carriage 100 by the radio channel of communication network 111;
Fig. 3 is the sequence chart that the operation of the calling that other communication networks 121 from Fig. 1 initiate is shown, and wherein said calling is not in the radio channel of passing through communication network 101 in the zone of communication network 111 and links to each other with travelling carriage 100 owing to travelling carriage 100;
Fig. 4 is the sequence chart that the operation of the calling that the communication network 111 from Fig. 1 initiates is shown, and wherein said calling links to each other with travelling carriage 100 by the radio channel of communication network 111;
Fig. 5 is the sequence chart that the operation of the calling that the communication network 101 from Fig. 1 initiates is shown, and wherein said calling links to each other with travelling carriage 100 by the radio channel of communication network 111;
Fig. 6 is the figure that the example of the system that has used another exemplary embodiment of the present invention is shown;
Fig. 7 is the sequence chart that the operation of the calling that other communication networks 121 from Fig. 6 initiate is shown, and wherein said calling links to each other with travelling carriage 100 by the radio channel of other radio communications system networks 111;
Fig. 8 (a) and Fig. 8 (b) illustrate the communication network 101 in embodiment illustrated in fig. 1 and the figure of each relation between 111 the service area; And
Fig. 9 is the block diagram that has the travelling carriage of double mode ability according to of the present invention.
Embodiment
Describe exemplary embodiment of the present invention and each advantage of the present invention in detail below with reference to accompanying drawing.
Fig. 1 is the system block diagram according to exemplary embodiment of the present invention.
In Fig. 1, travelling carriage 100 is dual mode terminals, and communication network 101,111 is respectively dissimilar communication system.Communication network 101 can be a kind of system in the current mobile communication system (for example W-CDMA, cdma2000, cdmaOne, GSM, AMPS, PDC, PHS or the like), and it has the function of carrying out mobile communication control desired position registration and paging processing.Communication network 111 can be a kind of system in current W-LAN, cordless telephone and the current mobile communication system (for example W-CDMA, cdma2000, cdmaOne, GSM, AMPS, PDC, PHS or the like), and it has the radio channel controlled function.Here, each communication system that is not limited to list above in the communication network 101,111, and can be follow-on novel mobile communication system.
Communication network 101 has radio base station 102, switching system 103, subscriber information memory cell 104 and gateway (GW) 105.Communication network 111 has radio base station 112, switching system 113, subscriber information memory cell 114 and gateway (GW) 115. Communication network 101 and 111 is connected to each other via separately gateway 105,115, and they also link to each other with other communication networks 121.Position relation between each communication network 101 and 111 the service area is shown in Fig. 8 (a).Shown in Fig. 8 (a), the service area 300 of supposing communication network 101 comprises the service area 301 of communication network 111.
Fig. 9 is the block diagram according to travelling carriage 100 of the present invention.Because travelling carriage 100 is dual mode terminals, so it can utilize radio unit type A 11 to communicate by letter with communication network 101,111 respectively with type B 12 respectively.But, 100 location registration process of carrying out communication network 101 of travelling carriage, it does not carry out the location registration process of communication network 111.In addition, travelling carriage 100 will enter holding state to be used for the paging processing at communication network 101, still, not carry out at the paging of communication network 111 and will handle.
When travelling carriage 100 received from communication network 101 at the beep-page message of calling terminal the time, it can ask the radio channel of communication network 111 to connect, and in executed after the checking at communication network 111 places is handled, it begins to send and receive the user data (voice-and-data) that is used to call out by communication network 111.But if travelling carriage 100 is positioned at beyond the service area of communication network 111,100 of travelling carriages ask the radio channel of communication network 101 to connect and checking is handled, and pass through the transmission and the reception of the user data of communication network 101 transmissions and receipt of call then.The above-mentioned processing operation of travelling carriage 100 is to utilize control unit 13 and the information in the memory 14 that is included in travelling carriage 100 to carry out.
Communication network 101 is handled according to the paging of carrying out from the call request of communication network 111 travelling carriage 100 based on the content of the Location Registration of carrying out in advance.
Radio channel is prepared and checking is handled according to carrying out from the radio channel connection request of travelling carriage 100 for communication network 111, and provides communication channel for the transmission and the reception of the user data called out.Here, in communication network 111, as previously mentioned, do not carry out paging and handle, but other processing except that paging are carried out in the mode identical with this processing of mobile communication system.
According to the present invention,, also can realize the calling of travelling carriage 100 is stopped by other communication networks even travelling carriage 100 only utilizes particular communication networks (, communication network 101) to carry out standby operation and location registration process that paging receives here.Therefore, can carry out the standby operation that paging receives with the power consumption identical with single-mode operation.
With reference to figure 1, will describe exemplary embodiment of the present invention in detail.
In Fig. 1, travelling carriage 100 has following function:
Execution is to the function of the location registration process of predetermined communications network (being communication network 101 here); Execution is from the function of the standby operation of the paging reception of communication network 101; Receive the function that the optimal communication network is selected in the back in paging; Ask the function of the radio channel connection of selected communication network (for example communication network 111); Consult to be used for the function that the checking of access to netwoks is handled with communication network 111; And the function of carrying out user data transmission and reception by communication network 111.
If travelling carriage 100 is positioned at the outside of the communication network that is chosen as the optimal communication network, it then has the function of the radio channel of the alternative communication network of asking.
Travelling carriage 100 as dual mode terminal is not limited to be used to two communication networks, and it also can be used to more than two communication networks.And, therefore can carry out standby operation to a plurality of communication networks because have the standby operation that receives at the paging of a particular communication networks and the function of location registration process.
The switching system 103 of communication network 101 has following function:
When the call request message that receives from communication network 111 at travelling carriage 100, in advance it has been carried out the function of position of subscriber information memory cell 104 inquiry travelling carriages 100 of Location Registration to travelling carriage 100; Radio base station 102 in travelling carriage 100 regions sends the function that is used to carry out to the requirement of the paging operation of travelling carriage 100; And to communication network 111 report executing to the requirement of the paging operation of travelling carriage 100 this true function that has been done.
Switching system 103 also has following function:
After being reported in the requirement that has sent the execution paging operation, communication network 111 received this true function of radio channel connection request message; Acceptance is from channel connection request message of calling out the communication network transmission of initiating and the function of request message being made response; For travelling carriage 100 is prepared radio channel and is carried out the function that checking is handled; And the function that is provided for the communication channel of transmitting terminal opposite end signaling message and user data.
These functions of switching system 103 can be carried out by other nodes in the communication network 101, a plurality of other nodes also may be provided, and make each node have the part of the function of switching system 103 respectively.
The switching system 113 of communication network 111 has following function:
When communication network 121 receives call request message, to the function of the communication network of subscriber information memory cell 114 enquiry call destinations; Send the function of call request message to the communication network (for example communication network 101) on call intent ground; For travelling carriage 100 is prepared radio channel and is carried out the function that checking is handled; And the function that is provided for the communication channel of transmitting terminal opposite end signaling message and user data.Switching system 113 also has following function: when it received reception notification from the radio channel connection request of communication network 101, the communication network that request call is initiated switched the function that gateway connects.
These functions of switching system 113 can be carried out by other nodes in the communication network 111, a plurality of other nodes also may be provided, and make each node have the part of the function of switching system 113 respectively.
For radio base station 102 and 112, subscriber information memory cell 104 and 114 and the detailed description of gateway 105 and 115 be omitted because they are well known to a person skilled in the art, and not directly related with the present invention.
Next, will illustrate in the exemplary embodiment of the present invention that this radio channel of calling out by communication network 111 links to each other with travelling carriage 100 at the operation of the calling of initiating from other communication networks 121 with reference to the sequence chart of figure 2.
In Fig. 2, other communication networks 121 have been carried out at calling out the checking processing and the channel of initiating the terminal (not shown) and have been prepared (step S100), and other communication networks 121 send call request message (step S101) to communication network 111 then.In communication network 111, it confirms that based on the subscriber information that is included in the called subscriber's (being travelling carriage 100) in the call request message communication network 101 is destinations of call request message and will carries out paging and handle (step S102) in communication network 101, and call request message is sent to communication network 101 (step S103).
In communication network 101, after the position registration area of the travelling carriage 100 of having confirmed to be used to call out termination (step S104), beep-page message is sent to the travelling carriage 100 (step S105) in the target area, the report that has been performed about paging is simultaneously circulated a notice of to communication network 111, informing that the radio channel connection request can be sent (step S 106) from travelling carriage 100 according to the result of the network selecting in the travelling carriage 100 operation, and communication network 101 finishes its processing (step S107).
After receiving beep-page message, the optimal communication network that travelling carriage 100 selections are used to call out, if communication network 111 is chosen as optimum network owing to the reason such as communication cost is more cheap or other factors, 100 of travelling carriages send radio channel connection request message (step S108) to communication network 111.In this example, communication cost or be used for selects the information of other factors of each communication network or attribute will be stored in the memory 14 of travelling carriage 100.
After receiving (step S109), between travelling carriage 100 and communication network 111, carry out wireless channel and prepare and verify processing (step S110) from the response to radio channel connection request message of communication network 111.Then, the indication called subscriber is just turned back to other communication networks 121 (step S111) of calling out initiation at the alert message of ring from travelling carriage 100, and ringback tone is confirmed (step S113) by calling initiation terminal.
When calling out by when travelling carriage 100 place's off-hooks are replied (step S112), connection message (connection) is sent out, and the response (connect and confirm) of connection message is returned (step S115).And, initiate to have set up the end to end communication connection between the terminal at travelling carriage 100 and calling, and connect transmission and the reception (step S116) of carrying out speech data or user data by the U plane.
Next, the operation of the calling that the radio channel of passing through communication network 101 initiated from other communication networks 121 links to each other with travelling carriage 100 service area that is not in communication network 111 will be described with reference to the sequence chart of figure 3.
In Fig. 3, other communication networks 121 have been carried out at calling out the checking processing and the channel of initiating the terminal (not shown) and have been prepared (step S200), and other communication networks 121 send call request message (step S201) to communication network 111 then.
In communication network 111, it confirms that based on the subscriber information that is included in the called subscriber's (being travelling carriage 100) in the call request message communication network 101 is destinations of call request message and will carries out paging and handle (step S202) in communication network 101 that call request message is sent to communication network 101 (step S203) then.
In communication network 101, after the position registration area of the travelling carriage 100 of having confirmed to be used to call out termination (step S204), beep-page message is sent to the travelling carriage 100 (step S205) in the target area, the report that has been performed about paging is simultaneously circulated a notice of to communication network 111, can be sent (step S206) from travelling carriage 100 according to the result of the operation of the network selecting in the travelling carriage 100 to inform the radio channel connection request.
Till arriving herein, the operation of call treatment is identical with the described operation of Fig. 2.But, do not confirmed from the radio channel connection request message that the travelling carriage 100 that receives beep-page message sends, because travelling carriage 100 is not arranged in the service area of communication network 111 by communication network 111.Therefore, travelling carriage 100 repeated retransmission radio channel connection request message (step S207).Travelling carriage 100 after the number of times of repeated retransmission radio channel connection request message reaches pre-determined number, abandon with communication network 111 between be connected, and travelling carriage 100 sends radio channel connection request message (step S208) to communication network 101.
After receiving (step S210), between travelling carriage 100 and communication network 101, carry out radio channel and prepare and verify processing (step S214) from the response to radio channel connection request message of communication network 101.On the other hand, communication network 101 notifying communication networks 111 it received radio channel connection request message (step S209).
After the notice that receives from communication network 101, communication network 111 sends the request (step S211) that gateway switches message to other communication networks 121.
121 pairs of other communication networks are made response (step S212) from the requests that the gateways of communication network 111 switch message, then to communication network 101 transmitting channel connection request message to be used to carry out gateway hand-off process (step S215).When to the response of channel connection request message by when communication network 101 sends, just mean that the connection from other communication networks 121 switches to communication network 101 (step S216) from communication network 111.
Between step S214 and step S215, S216, there is not orderly order, when the processing of the processing of S214 and S216 has been finished, return alert message (step S217) from travelling carriage 100 to calling out other communication networks 121 of initiating, and ringback tone is called out initiation terminal check (step S218).
When calling out by when travelling carriage 100 place's off-hooks are replied (step S219), connection message (connection) is sent out (step S220), and the response (connect and confirm) of connection message is returned (step S221).And, initiate to have set up the end to end communication connection between the terminal at travelling carriage 100 and calling, and connect transmission and the reception (step S222) of carrying out speech data or user data by the U plane.If finish channel connection processing (step S215, S216) between communication network 101 and other communication networks 121 before from travelling carriage 100 message (step S217) that gives the alarm, then end the transmission of alert message, till connecting foundation (step S215, S216) at communication network 101 places.
Next, the operation of the calling that the radio channel of passing through communication network 111 initiated from communication network 111 links to each other with travelling carriage 100 will be described with reference to the sequence chart of figure 4.
In Fig. 4, the channel of initiating the terminal (not shown) is prepared and the checking processing is performed (step S300) in communication network 111 at calling out, after this, confirm based on called subscriber's's (being travelling carriage 100) subscriber information whether travelling carriage 100 is dual mode terminal (step S301), and whether communication network 101 is networks (step S302) that the request paging is handled, then, call request message is sent to communication network 101 (step S303).
In communication network 101, after receiving call request message, the position registration area of travelling carriage 100 is identified (step S304), and beep-page message is sent to the travelling carriage 100 (step S305) in the target area, the report that has been performed about paging is simultaneously circulated a notice of to communication network 111, informing that the result that the radio channel connection request can depend on the network selecting operation in the travelling carriage 100 is sent (step S306) from travelling carriage 100, and communication network 101 finishes its processing (step S307).
When travelling carriage 100 has received beep-page message, the optimal communication network that its selection is used to call out, if communication network 111 is chosen as optimum network owing to the reason such as communication cost is more cheap or other factors, 100 of travelling carriages send radio channel connection request message (step S308) to communication network 111.In this example, communication cost or be used for selects the information of other factors of each communication network or attribute will be stored in the memory 14 of travelling carriage 100.
After radio channel connection request message is by communication network 111 responses (step S309), between travelling carriage 100 and communication network 111, carries out wireless channel and prepare and verify processing (step S310).Then, alert message is turned back to communication network 111 (step S311) from travelling carriage 100, and ringback tone is confirmed (step S313) by the initiation of the calling in the communication network 111 terminal.
When calling out by when travelling carriage 100 place's off-hooks are replied (step S312), connection message (connection) is sent out, and the response (connect and confirm) of connection message is returned (step S315).And, initiate to have set up the end to end communication connection between the terminal at travelling carriage 100 and calling, and connect transmission and the reception (step S316) of carrying out speech data or user data by the U plane.
If confirming to be used to call out the travelling carriage 100 of termination in step S301 is not dual-mode terminal, mean that then this portable terminal is not the subscriber of communication network 111.Therefore, asking to be paid close attention to communication network (here, communication network 101) after paging is handled, carry out the ordinary call termination, this is because communication network 111 need not to expect or wait for radio channel connection request from travelling carriage 100 as step S308.
Next, the operation of the calling that the radio channel of passing through communication network 111 initiated from communication network 101 links to each other with travelling carriage 100 will be described with reference to the sequence chart of figure 5.
In Fig. 5, the channel of initiating the terminal (not shown) is prepared and the checking processing is performed (step S400) in communication network 101 at calling out, after this, confirm based on called subscriber's's (being travelling carriage 100) subscriber information whether travelling carriage 100 is dual mode terminal (step S401).If this travelling carriage is a dual-mode terminal, then send call request message (step S402) to communication network 111.If travelling carriage is not a dual-mode terminal, then will in communication network 101, carry out the ordinary call termination.
After receiving call request message, communication network 111 confirms that based on the subscriber information that is included in the call request message communication network 101 is destinations of call request message, and will in communication network 101, carry out paging and handle (step S403), and call request message is sent to communication network 101 (step S404).
In communication network 101, after the position registration area of confirming travelling carriage 100 (step S405), beep-page message is sent to the travelling carriage 100 (step S406) in the target area, and the report that has been performed about paging is simultaneously circulated a notice of to communication network 111 (step S407).This is to be used for notifying communication network 111, and the radio channel connection request can be sent from travelling carriage 100 according to the result of the operation of the network selecting in travelling carriage 100.
When travelling carriage 100 has received beep-page message, the optimal communication network that its selection is used to call out, if communication network 111 is owing to the reason such as communication cost is more cheap is chosen as optimum network, 100 of travelling carriages send radio channel connection request message (step S408) to communication network 111.In this example, communication cost or be used for selects the information of other factors of each communication network or attribute will be stored in the memory 14 of travelling carriage 100.After the response that receives from communication network 111 radio channel connection request message (step S409), between travelling carriage 100 and communication network 111, carry out wireless channel and prepare and verify processing (step S410).Then, alert message is turned back to from travelling carriage 100 calls out the communication network 101 (step S411) of initiating, and ringback tone is confirmed (step S413) by calling initiation terminal.
When calling out by when travelling carriage 100 place's off-hooks are replied (step S412), connection message (connection) is sent out (step S414), and the response (connect and confirm) of connection message is returned (step S415).And, initiate to have set up the end to end communication connection between the terminal at travelling carriage 100 and calling, and connect transmission and the reception (step S416) of carrying out speech data or user data by the U plane.
In this call operation, call request message sends and returns at the S404 place at step S402 place, and is optional but this obviously is counted as.But the two-way processing with this order needs, and confirms that at communication network 111 places which communication network is the objective network of the call treatment of this calling because be necessary.
To illustrate with reference to figure 6 according to another exemplary embodiment of the present invention.This embodiment is structural improvement version.
In Fig. 6, same numeral illustrates the part that is equal among Fig. 1.When with reference to figure 6, the radio base station 112 in other radio communications system networks 111 directly links with switching system 103 in the communication network 101, and has omitted other nodes so that network configuration is simple.
Formerly in the explanation, the communication network 101 among Fig. 1 is supposed to be managed by different network operators respectively with communication network 111.But the communication network 101 among Fig. 6 and other radio communications system networks 111 hypothesis are managed by the consolidated network operator.Label 116 indication control offices, its function will be described subsequently.
In conjunction with Fig. 6, the operation of the calling that the radio channel of passing through other radio communications system networks 111 initiated from other communication networks 121 links to each other with travelling carriage 100 will be described with reference to the sequence chart of figure 7.
In Fig. 7, other communication network 121 executeds prepare and (step S500) handled in checking at the channel of call out initiating the terminal (not shown), other communication networks 121 send call request messages (step S501) by gateway 105 to switching system 103 then.After receiving call request message, switching system 103 is confirmed to be used to carry out radio communications system and the position registration area (step S502) that paging is handled based on the subscriber information that is included in the call request message, and call request message is sent to radio base station 102 (step S503).
Radio base station 102 sends beep-page message (step S504) to travelling carriage 100, and finishes its processing (step S505).
When travelling carriage 100 has received beep-page message, the optimal communication system that its selection is used to call out, if radio communications system network 111 is chosen as optimum network owing to the reason such as communication cost is more cheap or other factors, 100 of travelling carriages send radio channel connection request message (step S506) by radio base station 102 to switching system 103.In this example, communication cost or be used for selects the information of other factors of each communication network or attribute will be stored in the memory 14 of travelling carriage 100.
After receiving (step S507), utilize the radio communications system of radio base station 112 between travelling carriage 100 and switching system 103, to carry out wireless channel preparation and checking processing (step S508) from the response to radio channel connection request message of switching system 103.Then, alert message is turned back to from travelling carriage 100 calls out other communication networks 121 (step S509) of initiating, and ringback tone is confirmed (step S511) by calling initiation terminal.
When calling out by when travelling carriage 100 place's off-hooks are replied (step S510), connection message (connection) is sent out (step S512), and the response (connect and confirm) of connection message is returned (step S513).And, initiate to have set up the end to end communication connection between the terminal at travelling carriage 100 and calling, and connect transmission and the reception (step S514) of carrying out speech data or user data by the U plane.
Fig. 8 (a) and Fig. 8 (b) illustrate communication network 101 in embodiment illustrated in fig. 1 and each relation of 111 service area.Shown in Fig. 8 (a), the service area 300 of supposing communication network 101 comprises the service area 301 of communication network 111.But shown in Fig. 8 (b), the service area 300 of supposing communication network 101 does not comprise the service area 302 of communication network 111.If service area 300 does not comprise service area 302, shown in Fig. 8 (b), then need in service area 302, carry out the standby processing and the Location Registration that are used for the paging reception and call out termination in this zone with permission.
Then, control office 116 as shown in Figure 6 is provided, and this control office 116 has following function: according to the installation site of radio base station 112 to radio base station 112 whether with location registration with whether will carry out beep-page message and send and carry out control.Radio base station 112 has the function that notice travelling carriage 100 receives according to instruction location registration and paging from control office 116.Therefore, in this example,,, then also can stop by receipt of call if it is arranged in the service area of other radio communications system networks 111 though travelling carriage is positioned at the outside of communication network 101.On the contrary, in quiet public place (for example library and teahouse) though in calling stop being in the service area of other radio communications system networks 111 and also will be limited, and, can come restriction site registration and paging to receive by the control of control office 116 according to the present invention.
The above description of embodiment is used to make those skilled in the art can implement and use the present invention.In addition, those skilled in the art will expect the various modifications to these embodiment easily, and the General Principle of definition here and specific example just can be applied to other embodiment need not to use under the situation of creative work.Therefore, the present invention does not wish to be limited to the embodiments described herein, but wishes to meet the maximum magnitude that restriction limited by claims and equivalent.
In addition, notice that the inventor is intended that,, also wish to keep all equivalents of the present invention in application process even claims are modified.

Claims (14)

1. mobile communication system, it comprises a plurality of different radio communications system of the service area that is arranged in described mobile communication system and the travelling carriage with double mode ability, described travelling carriage can with any one communication in described a plurality of different radio communications systems, described mobile communication system comprises:
Be set at first control appliance in one of described radio communications system, this first control appliance is carried out at the location registration process of described travelling carriage and paging and is handled; And
Second control appliance, this second control appliance is set in any described radio communications system except the radio communications system that provides described first control appliance, and asks described first control appliance to be carried out at the paging of the calling that receives and handle.
2. mobile communication system as claimed in claim 1, wherein said second control appliance is also carried out following processing operation: find to be used to ask the radio communications system handled at the paging of the calling that receives, and the transmission of first control appliance in being set at the radio communications system that has found call request message, and carry out and handle radio channel preparation and the checking of having made the travelling carriage that responds being handled in the paging of being carried out by described first control appliance.
3. mobile communication system as claimed in claim 2, wherein said travelling carriage has following ability: select one of described radio communications system when handling the beep-page message that sends by the paging of described first control appliance when described travelling carriage has received, and second control appliance in selected radio communications system sends the radio channel connection request, to ask receiving described calling by the connected reference of selected radio communications system.
4. mobile communication system as claimed in claim 2, wherein said first control appliance is also carried out following operation: will handle the report that has been performed about described paging and announce to second control appliance that has sent described call request message.
5. mobile communication system as claimed in claim 4, wherein said second control appliance is also carried out following operation: when described second control appliance has received when receiving report from the radio channel connection request of described first control appliance, will send to the communication network of initiating the described calling that receives with the request of the calling that is used to receive about making communication channel switch to first control appliance.
6. mobile communication system, it comprises a plurality of different radio communications system of the service area that is arranged in described mobile communication system and the travelling carriage with double mode ability, described travelling carriage can with any one communication in described a plurality of different radio communications systems, described mobile communication system comprises:
Be set at first radio base station in one of described radio communications system, this first radio base station is carried out at the location registration process of described travelling carriage and paging and is handled;
Second radio base station, this second radio base station is set in any described radio communications system outside the radio communications system that provides described first radio base station, and the radio communication that is provided for described travelling carriage when being requested connects; And
Be set at the same radio communications system in described first base station in control appliance, described first radio base station of this control appliance request is carried out at the paging of the calling that receives and is handled, and prepares and verify processing to by described second radio base station travelling carriage of having been made response by the paging processing of described first radio base station execution being carried out radio channel.
7. mobile communication system as claimed in claim 6, wherein, described travelling carriage has following ability: select one of described radio communications system when described travelling carriage has received the beep-page message that is sent by described first radio base station, and second radio base station in selected radio communications system sends the radio channel connection request, with the connected reference of request by selected radio communications system to receive described calling.
8. the communication control method in the communication system, described communication system comprises a plurality of different radio communications system of the service area that is arranged in described mobile communication system, can with the travelling carriage with double mode ability of any one communication in described a plurality of different radio communications systems, be set in one of described radio communications system and carry out first control appliance of handling at the location registration process and the paging of described travelling carriage, and be set in any described radio communications system and second control appliance of call connection processing is carried out in the calling that is received by described radio communications system, described method comprises:
The radio communications system that finds the paging that is used to ask calling that described second control appliance has been received to handle;
The call request message that will be used for described calling sends to described first control appliance from described second control appliance, handles to ask described paging;
The report of described first control appliance of indication having been carried out described paging processing sends to described second control appliance that sends out described call request message; And
The travelling carriage of having made response is carried out the radio channel preparation and checking is handled to the paging of described first control appliance being handled.
9. communication control method as claimed in claim 8, this method also comprises:
When described travelling carriage has received when handling the beep-page message that sends by the paging of described first control appliance, one of described radio communications system is selected at the place at described travelling carriage; And
Send the radio channel connection request from second control appliance of described travelling carriage to selected radio communications system, with the connected reference that be used for described calling of request by selected radio communications system.
10. communication control method as claimed in claim 9, this method also comprises:
When the radio channel connection request that is sent to described second control appliance at the fixed time in the section when also not being accepted, send described radio channel connection request to described first control appliance from described travelling carriage;
When described first control appliance has received radio channel connection request from described travelling carriage, send the report that the radio channel connection request receives to described second control appliance from described first control appliance; And
Be used to make communication channel to switch to described first control appliance from described second control appliance to the communication network transmission of initiating described calling to be used for the request of described calling.
11. the communication control method in the communication system, described communication system comprises a plurality of different radio communications system of the service area that is arranged in described mobile communication system, can with the travelling carriage with double mode ability of any one communication in described a plurality of different radio communications systems, be set in one of described radio communications system and carry out first radio base station of handling at the location registration process and the paging of described travelling carriage, be set at second radio base station in any described radio communications system outside the radio communications system that provides described first radio base station, and be set in the radio communications system identical and carry out control appliance at the call connection processing of the calling that receives with described first base station, described method comprises:
Handle at the paging of the described calling that receives by described first radio base station execution of described control appliance request;
When the beep-page message that is sent by described first radio base station has been received, by one of described radio communications system of described mobile station in selecting;
Send the radio channel connection request by second radio base station of described travelling carriage in selected radio communications system, to ask receiving described calling by the connected reference of selected radio communications system; And
By described control appliance the travelling carriage that has sent described radio channel connection request by described second radio base station is carried out that radio channel is prepared and checking is handled.
12. travelling carriage that in mobile communication system, uses with double mode ability, described mobile communication system comprises a plurality of different radio communications system that is arranged in service area, is set at one of described radio communications system and carries out first control appliance of handling at the location registration process and the paging of described travelling carriage, and be set in any described radio communications system and second control appliance of call connection processing is carried out in the calling that is received by described radio communications system, described travelling carriage comprises:
A plurality of radio units, wherein each radio unit can be communicated by letter with different radio communications systems;
Control unit, this control unit is carried out the location registration process of described first control appliance and is used for the standby processing that paging receives, when the beep-page message that the paging that receives described first control appliance is handled, select one of described radio communications system, and second control appliance in selected radio communications system sends the radio channel connection request, with the connected reference of request by selected radio communications system.
13. travelling carriage as claimed in claim 12 also comprises:
Memory, this memory stores is about the information of the attribute that is used to select each radio communications system.
14. travelling carriage as claimed in claim 12, wherein said control unit is also carried out following operation: when the radio channel connection request that is sent to described second control appliance at the fixed time in the section when also not being accepted, send described radio channel connection request to described first control appliance.
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US20170099632A1 (en) 2017-04-06
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CN1835636B (en) 2011-09-07
US20180359692A1 (en) 2018-12-13
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US20060210079A1 (en) 2006-09-21
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US20160150480A1 (en) 2016-05-26

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